Nissan Titan. Manual - part 71

 

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Nissan Titan. Manual - part 71

 

 

RADIATOR

CO-17

< REMOVAL AND INSTALLATION >

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13. Tilt radiator toward the engine and lift to remove (1).

CAUTION:

Do not damage or scratch air conditioner condenser, A/T oil

cooler or radiator core when removing.

INSTALLATION

Installation is in the reverse order of removal.

• Refill A/T fluid. Refer to 

TM-174, "Changing the A/T Fluid (ATF)"

.

• Refill engine coolant. Refer to 

CO-11, "Changing Engine Coolant"

.

INSPECTION AFTER INSTALLATION

• Before starting engine, check oil/fluid levels including engine coolant and engine oil. If less than required

quantity, fill to the specified level. Refer to 

MA-15, "FOR NORTH AMERICA : Fluids and Lubricants"

 (United

States and Canada) or 

MA-16, "FOR MEXICO : Fluids and Lubricants"

 (Mexico).

• Use procedure below to check for fuel leakage.

• Turn ignition switch ON (with engine stopped). With fuel pressure applied to fuel piping, check for fuel leak-

age at connection points.

• Start engine. With engine speed increased, check again for fuel leakage at connection points.

• Run engine to check for unusual noise and vibration.

NOTE:

If hydraulic pressure inside timing chain tensioner drops after removal and installation, slack in the guide

may generate a pounding noise during and just after engine start. However, this is normal. Noise will stop

after hydraulic pressure rises.

• Warm up engine thoroughly to make sure there is no leakage of fuel, exhaust gas, or any oils/fluids including

engine oil and engine coolant.

• Bleed air from passages in lines and hoses, such as in cooling system.

• After cooling down engine, again check oil/fluid levels including engine oil and engine coolant. Refill to spec-

ified level, if necessary.

• Summary of the inspection items:

*Power steering fluid, brake fluid, etc.

PBIC1536E

Item

Before starting engine

Engine running

After engine stopped

Engine coolant

Level

Leakage

Level

Engine oil

Level

Leakage

Level

Transmission/
transaxle fluid 

A/T and CVT Models

Leakage

Level/Leakage

Leakage

M/T Models

Level/Leakage

Leakage

Level/Leakage

Other oils and fluids*

Level

Leakage

Level

Fuel

Leakage

Leakage

Leakage

Exhaust gas

Leakage

CO-18

< REMOVAL AND INSTALLATION >

ENGINE COOLING FAN

ENGINE COOLING FAN

Exploded View

INFOID:0000000009886477

Removal and Installation (Crankshaft Driven Type)

INFOID:0000000009886478

WARNING:

Do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure

engine coolant escaping from the radiator. Wrap a thick cloth around the radiator cap. Slowly turn it a

quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.

REMOVAL

1. Partially drain engine coolant from the radiator. Refer to 

CO-11, "Changing Engine Coolant"

.

CAUTION:

• Perform this step when engine is cold

• Do not spill engine coolant on drive belt

2. Remove the lower and upper radiator shrouds. Refer to 

CO-15, "Removal and Installation"

.

3. Remove the drive belt. Refer to 

EM-14, "Removal and Installation"

.

4. Remove the cooling fan.
5. Remove the fan bracket if necessary.

INSPECTION AFTER REMOVAL

Fan Coupling

• Inspect fan coupling for oil leakage and bimetal conditions. 

• If there are any unusual concerns, replace the fan coupling.

Fan Bracket

1.

Cooling fan

2.

Fan coupling

3.

Fan bracket

4.

Cooling fan pulley

A.

Front mark

Engine front

AWBIA0812GB

SLC072

ENGINE COOLING FAN

CO-19

< REMOVAL AND INSTALLATION >

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• Check that the fan bracket shaft turns smoothly by hand and is not

excessively loose.

• Replace the fan bracket assembly if necessary.

Cooling Fan Pulley

• Inspect cooling fan pulley.

• If there are any concerns, replace the cooling fan pulley.

INSTALLATION

Installation is in the reverse order of removal.

• Install cooling fan with its front mark “F” facing front of engine. 

INSPECTION AFTER INSTALLATION

• Check for engine coolant leaks. Refer to 

CO-10, "Inspection"

.

• Start and warm up the engine. Visually make sure that there are no engine coolant leaks.

WBIA0418E

CO-20

< REMOVAL AND INSTALLATION >

WATER PUMP

WATER PUMP

Exploded View

INFOID:0000000009886479

Removal and Installation

INFOID:0000000009886480

WARNING:

Do not remove the radiator cap when the engine is hot. Serious burns could occur from high-pressure

engine coolant escaping from the radiator. Wrap a thick cloth around the radiator cap. Slowly turn it a

quarter of a turn to release built-up pressure. Carefully remove radiator cap by turning it all the way.

CAUTION:

• When removing water pump, be careful not to get engine coolant on drive belt.

• Water pump cannot be disassembled and should be replaced as a unit.

• After installing water pump, connect hoses and clamps securely, then check for leaks.

REMOVAL

1. Drain engine coolant from the radiator. Refer to 

CO-11, "Changing Engine Coolant"

.

CAUTION:

Perform when the engine is cold.

2. Remove the engine cooling fan. Refer to 

CO-18, "Removal and Installation (Crankshaft Driven Type)"

.

3. Remove the water pump pulley.
4. Remove the water pump.

• Engine coolant will leak from the cylinder block, so have a receptacle ready below.

CAUTION:

Handle water pump vane so that it does not contact any other parts.

INSPECTION AFTER REMOVAL

• Visually check for significant dirt or rust on the water pump body

and vane.

• Check that the vane shaft turns smoothly by hand and is not

excessively loose.

• Replace the water pump assembly if the water pump does not per-

form properly.

1.

Gasket

2.

Water pump

3.

Water pump pulley

KBIA2543E

KBIA2552E

 

 

 

 

 

 

 

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